Home / 16,961.36-23,406.66-9,886.41

Finding the Fourth Proportional to 16,961.36, 23,406.66 and 9,886.41

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Solution

The fourth proportional to 16,961.36, 23,406.66 and 9,886.41 is: 13,643.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,961.36 : 23,406.66 = 9,886.41 : x
  2. Step 2: Convert to fraction form
    16,961.36/23,406.66 = 9,886.41/x
  3. Step 3: Cross multiply
    16,961.36x = 23,406.66 × 9,886.41
  4. Step 4: Simplify right side
    16,961.36x = 231,407,837.49
  5. Step 5: Solve for x
    x = 231,407,837.49/16,961.36
  6. Step 6: Final answer
    x = 13,643.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.